The Vento Intelligent Metronome has a host of features you just cant find in other credit card sized metronomes. Features include, Beat accents 1,2,3,4,5(2 +3), 5 (3+2), 6. Beat subdivisions: quarter, eighth (or double), triplet, sixteenth, eighth and 2 sixteenth or dotted eighth and sixteenth. Led indicator for the beat bounces up and down. Counts the number of measures played. Top indicator tells you your tempo range (largo, presto, etc.) and the bottom indicator tells you where you are in the measure (2nd beat or third beat, etc.). Volume control. Generates one octave of pitches. Uses two AAA batteries 3V that are included. Earphone and jack. Flip out metal stand.